After seeing two unexpected figures, Mu Qing was quite shocked. He had never expected the Pale Demon God and the Astrologer Emperor to appear behind Sword Heart Supreme!
"How are these two here?"
Mu Qing's heart jolted.
Dun King and Slaughter Supreme were equally astonished.
Sword Heart Supreme offered no further explanation. Holding his longsword, he stepped forward to face Demon Flame Supreme.
Demon Flame Supreme's expression was also grave. The phantom of the nine-headed dragon behind him grew increasingly solid, while flames blotted out the heavens!
He was extremely wary of Sword Heart Supreme!
Among the three peerless tenth-level Supremes who had emerged from Dominion Road, the strongest was neither Devil Ancestor nor Demon Flame Supreme, but Sword Heart Supreme!
Sword Heart Supreme's strength was absolutely above that of the other two!
"Are you certain you wish to interfere in the affairs of our Demon Realm?"
Demon Flame Supreme asked in a deep voice.
In truth, he did not believe himself to be Sword Heart Supreme's match.
If measured by a single standard, Demon Flame Supreme was twenty times as strong as an ordinary ninth-level Supreme, while Devil Ancestor was twenty-five times as strong.
Sword Heart Supreme, however, was thirty times as strong as an ordinary ninth-level Supreme!
The gap between twentyfold and thirtyfold was enormous.
Demon Flame Supreme knew full well that if they truly fought, he would be no match for Sword Heart Supreme. What was more, they were currently in the Demon Realm.
Demon Flame Supreme understood better than anyone how terrifying a battle between tenth-level Supremes could be. If they fought in the Demon Realm, not only their Demon Realm, but even the entire universe would be affected.
"Roar!"
At that moment, the Nether Emperor Demon and the Demon Sea Flood Dragon had already begun